CN220061809U - Economizer structure of adjustable export medium temperature - Google Patents
Economizer structure of adjustable export medium temperature Download PDFInfo
- Publication number
- CN220061809U CN220061809U CN202321545533.9U CN202321545533U CN220061809U CN 220061809 U CN220061809 U CN 220061809U CN 202321545533 U CN202321545533 U CN 202321545533U CN 220061809 U CN220061809 U CN 220061809U
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- flue gas
- economizer
- liquid
- main body
- bypass channel
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 95
- 239000003546 flue gas Substances 0.000 claims abstract description 95
- 239000007788 liquid Substances 0.000 claims abstract description 76
- 230000001105 regulatory effect Effects 0.000 claims abstract description 48
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 239000003245 coal Substances 0.000 claims 4
- 239000000779 smoke Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
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Abstract
An economizer structure with adjustable outlet medium temperature, comprising: the top of the economizer main body is provided with a flue gas bypass channel, the middle of the flue gas bypass channel is provided with a flue gas flow regulating valve, the flue gas bypass channel on one side of the flue gas flow regulating valve is communicated with a flue gas inlet of the economizer main body, and the flue gas bypass channel on the other side of the flue gas flow regulating valve is communicated with a flue gas outlet of the economizer main body; the side part of the economizer main body is provided with a liquid medium bypass channel, the middle part of the liquid medium bypass channel is provided with a liquid flow regulating valve, the liquid medium bypass channel below the liquid flow regulating valve is communicated with a liquid inlet of the economizer main body, and the liquid medium bypass channel above the liquid flow regulating valve is communicated with a liquid outlet of the economizer main body. The design regulates and controls the temperature of the flue gas and the liquid at the outlet by regulating the flow of the flue gas and the liquid in the economizer.
Description
Technical Field
The utility model relates to an economizer structure capable of adjusting outlet medium temperature, which is particularly suitable for medium temperature adjustment of a heat exchanger.
Background
A conventional heat exchanger causes the outlet temperature of the heat exchanger to vary with the inlet temperature due to the fixed size and heat exchange area. The inlet temperature is high, and the outlet temperature is high; the inlet temperature is low and the outlet temperature is low. In addition, the outlet temperature also changes along with the change of the medium flow of the heat exchanger, and when the heat exchange medium flow is large, the outlet temperature is increased; when the flow rate of the heat exchange medium is small, the outlet temperature is reduced. This results in a constantly changing heat exchanger outlet temperature, which affects the subsequent processing, such as: the filter cartridge and filter bag dust removal requires that the medium temperature not exceed 180 ℃ and not be lower than 130 ℃, and the filter cartridge and filter bag can catch fire when the medium temperature exceeds 180 ℃ and can be condensed when the medium temperature is lower than 130 ℃.
Disclosure of Invention
The utility model aims to solve the problem of a follow-up dust removal process of an economizer in the prior art and provides an economizer structure capable of adjusting the temperature of an outlet medium.
In order to achieve the above object, the technical solution of the present utility model is:
an economizer structure with adjustable outlet medium temperature, the economizer structure comprising: the flue gas bypass channel is arranged at the top of the economizer main body, a flue gas flow regulating valve is arranged in the middle of the flue gas bypass channel, the flue gas bypass channel at one side of the flue gas flow regulating valve is communicated with a flue gas inlet of the economizer main body, and the flue gas bypass channel at the other side of the flue gas flow regulating valve is communicated with a flue gas outlet of the economizer main body;
the side part of the economizer main body is provided with a liquid medium bypass channel, the middle part of the liquid medium bypass channel is provided with a liquid flow regulating valve, the liquid medium bypass channel below the liquid flow regulating valve is communicated with a liquid inlet of the economizer main body, and the liquid medium bypass channel above the liquid flow regulating valve is communicated with a liquid outlet of the economizer main body.
The economizer main body comprises a barrel-shaped shell, an ash removal hopper and a plurality of flue gas heat exchange pipelines which are arranged in parallel along the vertical direction, wherein the flue gas heat exchange pipelines are arranged in the barrel-shaped shell, the top of each flue gas heat exchange pipeline is communicated with a flue gas bypass channel, and the bottom of each flue gas heat exchange pipeline is communicated with the ash removal hopper.
The middle part of tubbiness casing is provided with the heat transfer baffle, be formed with the baffling mouth between heat transfer baffle and the tubbiness casing, the baffling mouth far away from liquid medium bypass passageway setting.
The liquid flow regulating valves are all electromagnetic valve structures with adjustable opening degrees, and the flue gas flow regulating valves and the turning plate regulating structures controlled by the permanent magnet synchronous motor.
And a flue gas temperature sensor is arranged at a flue gas outlet of the economizer main body.
Liquid temperature sensors are arranged at the liquid inlet and the liquid outlet of the economizer main body.
Compared with the prior art, the utility model has the beneficial effects that:
1. in the economizer structure capable of adjusting the temperature of the outlet medium, the flue gas temperature of the outlet of the economizer is adjusted by arranging the flue gas bypass channel, so that the flue gas temperature is kept in an optimal temperature range for a subsequent dust removal process.
2. According to the economizer structure capable of adjusting the temperature of the outlet medium, the outlet temperature of the liquid medium is adjusted by arranging the liquid medium bypass channel, and the flow rate is further controlled by matching with the water pump in the liquid medium pipeline, so that the temperature-controllable heat exchange can be realized, and the purposes of controlling the water temperature and the flue gas temperature are achieved.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic perspective view of the present utility model.
In the figure: the device comprises an economizer main body 1, a barrel-shaped shell 11, an ash removal bucket 12, a flue gas heat exchange pipeline 13, a heat exchange partition plate 14, a baffling port 15, a flue gas bypass channel 2, a liquid medium bypass channel 3, a flue gas flow regulating valve 4, a liquid flow regulating valve 5, a flue gas temperature sensor 6 and a liquid temperature sensor 7.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings and detailed description.
Referring to fig. 1 to 2, an economizer structure for regulating outlet medium temperature, the economizer structure comprising: the flue gas bypass channel 2 is arranged at the top of the economizer main body 1, a flue gas flow regulating valve 4 is arranged in the middle of the flue gas bypass channel 2, the flue gas bypass channel 2 on one side of the flue gas flow regulating valve 4 is communicated with a flue gas inlet of the economizer main body 1, and the flue gas bypass channel 2 on the other side of the flue gas flow regulating valve 4 is communicated with a flue gas outlet of the economizer main body 1;
the side part of the economizer main body 1 is provided with a liquid medium bypass channel 3, the middle part of the liquid medium bypass channel 3 is provided with a liquid flow regulating valve 5, the liquid medium bypass channel 3 below the liquid flow regulating valve 5 is communicated with a liquid inlet of the economizer main body 1, and the liquid medium bypass channel 3 above the liquid flow regulating valve 5 is communicated with a liquid outlet of the economizer main body 1.
The economizer main body 1 comprises a barrel-shaped shell 11, an ash removal bucket 12 and a plurality of flue gas heat exchange pipelines 13 which are arranged in parallel along the vertical direction, wherein the flue gas heat exchange pipelines 13 are arranged in the barrel-shaped shell 11, the top of each flue gas heat exchange pipeline 13 is communicated with the flue gas bypass channel 2, and the bottom of each flue gas heat exchange pipeline 13 is communicated with the ash removal bucket 12.
The middle part of the barrel-shaped shell 11 is provided with a heat exchange baffle plate 14, a baffle opening 15 is formed between the heat exchange baffle plate 14 and the barrel-shaped shell 11, and the baffle opening 15 is arranged far away from the liquid medium bypass channel 3.
The liquid flow regulating valves 5 are all electromagnetic valve structures with adjustable opening, and the flue gas flow regulating valves 4 are flap regulating structures controlled by permanent magnet synchronous motors.
A flue gas temperature sensor 6 is arranged at the flue gas outlet of the economizer main body 1.
Liquid temperature sensors 7 are provided at the liquid inlet and liquid outlet of the economizer body 1.
The principle of the utility model is explained as follows:
when the temperature of the flue gas outlet of the economizer main body 1 is lower, the opening of the flue gas flow regulating valve 4 is increased so as to improve the flue gas temperature; when the flue gas outlet temperature of the economizer main body 1 is higher, the opening degree of the flue gas flow regulating valve 4 is reduced, so that the flue gas temperature is reduced.
When the target temperature interval can not be reached by adjusting the flue gas flow regulating valve 4, the temperature is further adjusted by changing the flow speed and the flow quantity of the liquid medium while ensuring the water temperature requirement through the liquid flow regulating valve 5 and the water pump.
Example 1:
an economizer structure with adjustable outlet medium temperature, the economizer structure comprising: the flue gas bypass channel 2 is arranged at the top of the economizer main body 1, a flue gas flow regulating valve 4 is arranged in the middle of the flue gas bypass channel 2, the flue gas bypass channel 2 on one side of the flue gas flow regulating valve 4 is communicated with a flue gas inlet of the economizer main body 1, and the flue gas bypass channel 2 on the other side of the flue gas flow regulating valve 4 is communicated with a flue gas outlet of the economizer main body 1;
the side part of the economizer main body 1 is provided with a liquid medium bypass channel 3, the middle part of the liquid medium bypass channel 3 is provided with a liquid flow regulating valve 5, the liquid medium bypass channel 3 below the liquid flow regulating valve 5 is communicated with a liquid inlet of the economizer main body 1, and the liquid medium bypass channel 3 above the liquid flow regulating valve 5 is communicated with a liquid outlet of the economizer main body 1.
The economizer main body 1 comprises a barrel-shaped shell 11, an ash removal bucket 12 and a plurality of flue gas heat exchange pipelines 13 which are arranged in parallel along the vertical direction, wherein the flue gas heat exchange pipelines 13 are arranged in the barrel-shaped shell 11, the top of each flue gas heat exchange pipeline 13 is communicated with the flue gas bypass channel 2, and the bottom of each flue gas heat exchange pipeline 13 is communicated with the ash removal bucket 12.
The middle part of the barrel-shaped shell 11 is provided with a heat exchange baffle plate 14, a baffle opening 15 is formed between the heat exchange baffle plate 14 and the barrel-shaped shell 11, and the baffle opening 15 is arranged far away from the liquid medium bypass channel 3.
Example 2:
example 2 is substantially the same as example 1 except that:
the liquid flow regulating valves 5 are all electromagnetic valve structures with adjustable opening, and the flue gas flow regulating valves 4 are flap regulating structures controlled by permanent magnet synchronous motors.
Example 3:
example 3 is substantially the same as example 2 except that:
a flue gas temperature sensor 6 is arranged at the flue gas outlet of the economizer main body 1.
Liquid temperature sensors 7 are provided at the liquid inlet and liquid outlet of the economizer body 1.
Claims (6)
1. An economizer structure of adjustable export medium temperature, its characterized in that:
the economizer structure includes: the flue gas bypass device comprises a coal economizer main body (1), a flue gas bypass channel (2) and a liquid medium bypass channel (3), wherein the flue gas bypass channel (2) is arranged at the top of the coal economizer main body (1), a flue gas flow regulating valve (4) is arranged in the middle of the flue gas bypass channel (2), the flue gas bypass channel (2) at one side of the flue gas flow regulating valve (4) is communicated with a flue gas inlet of the coal economizer main body (1), and the flue gas bypass channel (2) at the other side of the flue gas flow regulating valve (4) is communicated with a flue gas outlet of the coal economizer main body (1);
the side of economizer main part (1) is provided with liquid medium bypass passageway (3), liquid medium bypass passageway (3) middle part is provided with liquid flow control valve (5), liquid medium bypass passageway (3) of liquid flow control valve (5) below are linked together with the liquid entry of economizer main part (1), liquid medium bypass passageway (3) of liquid flow control valve (5) top are linked together with the liquid export of economizer main part (1).
2. An economizer structure with adjustable outlet medium temperature according to claim 1, wherein:
the economizer main body (1) comprises a barrel-shaped shell (11), an ash removing hopper (12) and a plurality of flue gas heat exchange pipelines (13) which are arranged in parallel along the vertical direction, wherein the flue gas heat exchange pipelines (13) are arranged in the barrel-shaped shell (11), the top of each flue gas heat exchange pipeline (13) is communicated with a flue gas bypass channel (2), and the bottom of each flue gas heat exchange pipeline (13) is communicated with the ash removing hopper (12).
3. An economizer structure with adjustable outlet medium temperature according to claim 2, characterized in that:
the middle part of tubbiness casing (11) is provided with heat transfer baffle (14), be formed with baffling mouth (15) between heat transfer baffle (14) and tubbiness casing (11), baffling mouth (15) far away from liquid medium bypass passageway (3) setting.
4. An economizer structure with adjustable outlet medium temperature according to claim 3, characterized in that:
the liquid flow regulating valve (5) is of an opening-adjustable electromagnetic valve structure, and the smoke flow regulating valve (4) and a turning plate regulating structure controlled by the permanent magnet synchronous motor.
5. An economizer structure for regulating outlet medium temperature as recited in claim 1, 2, 3 or 4, wherein:
a flue gas temperature sensor (6) is arranged at a flue gas outlet of the economizer main body (1).
6. An economizer structure with adjustable outlet medium temperature as in claim 5, wherein:
liquid temperature sensors (7) are arranged at the liquid inlet and the liquid outlet of the economizer main body (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321545533.9U CN220061809U (en) | 2023-06-16 | 2023-06-16 | Economizer structure of adjustable export medium temperature |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321545533.9U CN220061809U (en) | 2023-06-16 | 2023-06-16 | Economizer structure of adjustable export medium temperature |
Publications (1)
Publication Number | Publication Date |
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CN220061809U true CN220061809U (en) | 2023-11-21 |
Family
ID=88750748
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202321545533.9U Active CN220061809U (en) | 2023-06-16 | 2023-06-16 | Economizer structure of adjustable export medium temperature |
Country Status (1)
Country | Link |
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CN (1) | CN220061809U (en) |
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2023
- 2023-06-16 CN CN202321545533.9U patent/CN220061809U/en active Active
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